/Engine/Source/Runtime/Engine/Classes/Animation/AnimInstance.h
Append the type of curve to the OutCurveList specified by Curve Flags
void AppendAnimationCurveList ( EAnimCurveType Type, [TMap](API\Runtime\Core\Containers\TMap)< [FName](API\Runtime\Core\UObject\FName), float > & InOutCurveList ) const